Nodding Plumeless Thistle

Carduus nutans

Native to:
Afghanistan, Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, China, Czechia-Slovakia, East Aegean Is., France, Germany, Greece, Hungary, Iran, Italy, Kazakhstan, Kirgizstan, Krym, Lebanon-Syria, Netherlands, NW. Balkan Pen., Portugal, Romania, Russia, Sicilia, Spain, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Carduus
Species:
Carduus nutans
USDA Symbol:
CANU4

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
pink, purple, red

Host Plant for Caterpillars

American sunflower moth (Homoeosoma electella), stalk borer moth (Papaipema nebris)

Reported Fauna Sightings

Bees: American bumble bee (Bombus pensylvanicus), Black and gold bumble bee (Bombus auricomus), Bombus californicus, Brown-belted bumble bee (Bombus griseocollis), Central bumble bee (Bombus centralis), Half-black bumble bee (Bombus vagans), Indiscriminate cuckoo bumble bee (Bombus insularis), Morrison bumble bee (Bombus morrisoni), Nevada bumble bee (Bombus nevadensis), Red-belted bumble bee (Bombus rufocinctus), Two-form bumble bee (Bombus bifarius), Two-spotted bumble (Bombus bimaculatus), Western bumble bee (Bombus occidentalis), White-shouldered bumble bee (Bombus appositus), Yellow bumble bee (Bombus fervidus), Yellow head bumble bee (Bombus flavifrons) Butterflies:Argynnis edwardsii, Great Spangled (Argynnis cybele)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds (goldfinches feed on seeds)
Deer Resistant:
Yes

Soil Requirements

Soil Type:
well-drained, nutrient-poor sandy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed soils and open areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Seeds require light for germination. Germination is temperature dependent and occurs best at 15-25°C.

The above propagation data sourced from Claude AI